Z58.6 – Inadequate drinking-water supply

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to socioeconomic and psychosocial circumstances

Billable code

ICD-10-CM code Z58.6

Code: Z58.6 (claims format: Z586)
Description: Inadequate drinking-water supply
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances
Parent codes: Z58

Notes for Z58.6

Applicable to:

Lack of safe drinking water

Excludes2 (not included here):

deprivation of water (T73.1)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z58 – Problems related to physical environment

Excludes2 (not included here):

occupational exposure (Z57.-)

Index terms for Z58.6

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z58

Z58.8 – Other problems related to physical environmentHeader

Frequently asked questions

What is ICD-10 code Z58.6?

Z58.6 is the ICD-10-CM code for inadequate drinking-water supply, in the block Z55-Z65 (Persons with potential health hazards related to socioeconomic and psychosocial circumstances).

Is Z58.6 a billable code?

Yes. Z58.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z58.6 belong to?

It belongs to category Z58 – Problems related to physical environment.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.